{"id":223294,"date":"2021-06-17T12:00:06","date_gmt":"2021-06-17T04:00:06","guid":{"rendered":"\/\/m.iemloyee.com\/?p=223294"},"modified":"2021-06-17T11:15:22","modified_gmt":"2021-06-17T03:15:22","slug":"nature-mater-%ef%bc%9a%e6%96%b0%e5%85%b4%e9%92%99%e9%92%9b%e7%9f%bf%e5%8d%95%e5%b1%82%e8%86%9c","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=223294","title":{"rendered":"Nature Mater.\uff1a\u65b0\u5174\u9499\u949b\u77ff\u5355\u5c42\u819c"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

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(RP)\u548cDion-Jacobson (DJ)\u76f8\u5206\u522b\u662f\u4e00\u4ef7\u548c\u4e8c\u4ef7\u3002\u5728\u6742\u5316\u5364\u5316\u7269\u9499\u949b\u77ff\u7684\u60c5\u51b5\u4e0b\uff0c\u56f4\u7ed5\u5728\u534a\u5bfc\u4f53\u65e0\u673a\u5c42\u5468\u56f4\u7684\u7edd\u7f18\u6709\u673a\u90e8\u5206\u8d1f\u8d23\u5f3a\u91cf\u5b50\u548c\u4ecb\u7535\u9650\u57df\uff0c\u56e0\u6b64\u65e0\u673a\u5c42\u4e4b\u95f4\u5f62\u6210\u8d85\u6676\u683c\uff0c\u5145\u5f53\u91cf\u5b50\u9631\u3002\u8fd9\u5c31\u4ea7\u751f\u4e86\u7a33\u5b9a\u7684\u6fc0\u5b50\uff0c\u5176\u675f\u7f1a\u80fd\u9ad8\u8fbe\u51e0\u767e\u6beb\u5b89\u7535\u5b50\u4f0f\u3002\u6676\u80de\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7\u6709\u673a\u94fe\u7684\u5206\u5b50\u5de5\u7a0b\u6765\u6539\u53d8\u3002\u8fd9\u5f71\u54cd\u4e86\u6574\u4e2a\u7269\u7406\u548c\u5173\u952e\u7535\u5b50\u6027\u8d28\uff0c\u5982\u5e26\u9699\u548c\u6fc0\u5b50\u7ed3\u5408\u80fd\u3002\u7279\u522b\u662f\uff0c\u7531\u4e8eRP\u76f8\u5364\u5316\u7269\u9499\u949b\u77ff\u7684\u4e24\u4e2a\u76f8\u90bb\u6676\u80de\u4e4b\u95f4\u7684\u6709\u673a\u95f4\u9694\u7269\u901a\u5e38\u901a\u8fc7\u8303\u5fb7\u534e\u529b\u7b49\u5f31\u76f8\u4e92\u4f5c\u7528\u8fde\u63a5\uff0c\u56e0\u6b64\u9499\u949b\u77ff\u5c42\u53ef\u4ee5\u50cf\u77f3\u58a8\u70ef\u90a3\u6837\u4ece\u5176\u4f53\u5757\u6676\u4f53\u4e2d\u5206\u79bb\u51fa\u6765\u3002\u4e0e\u4f20\u7edf\u7684\u4e8c\u7ef4\u65e0\u673a\u6750\u6599\u4e0d\u540c\uff0c\u5355\u5c42\u9499\u949b\u77ff\u7531\u8f6f\u6676\u683c\u548c\u52a8\u6001\u65e0\u5e8f\u6846\u67b6\u7ec4\u6210\u3002\u8fd9\u4f7f\u5f97\u5b83\u4eec\u5bb9\u6613\u53d7\u5230\u5916\u90e8\u523a\u6fc0\u7684\u5f71\u54cd\uff0c\u5982\u754c\u9762\u5f20\u529b\u3001\u6e29\u5ea6\u3001\u538b\u529b\u548c\u7535\u573a\u3002\u76ee\u524d\uff0c\u5364\u5316\u7269\u9499\u949b\u77ff\u7684\u8d85\u8584\u7247\u5df2\u7ecf\u901a\u8fc7\u673a\u68b0\u88c2\u89e3\u4ece\u5806\u53e0\u7684RP\u76f8\u6676\u4f53\u4e2d\u5236\u5907\u51fa\u6765\uff0c\u6216\u8005\u901a\u8fc7\u81ea\u4e0b\u800c\u4e0a\u7684\u5206\u5b50\u6784\u5efa\u5757\u7684\u5408\u6210\u65b9\u6cd5\uff0c\u5982\u5316\u5b66\u6c14\u76f8\u6c89\u79ef\u548c\u5916\u5ef6\u751f\u957f\u3002\u540e\u8005\u4e5f\u9002\u7528\u4e8e\u751f\u957f\u5355\u5c42\u6c27\u5316\u7269\u9499\u949b\u77ff\u3002\u957f\u671f\u4ee5\u6765\uff0c\u4eba\u4eec\u8ba4\u4e3a\u6c27\u5316\u7269\u9499\u949b\u77ff\u7684\u4e34\u754c\u6700\u5c0f\u539a\u5ea6\u4f4e\u81f35\u4e2a\u6676\u80de\uff0c\u4f4e\u4e8e\u8be5\u539a\u5ea6\u65f6\uff0c\u8584\u819c\u7684\u6676\u683c\u5c31\u4f1a\u574d\u584c\u3002\u7136\u800c\uff0c\u6700\u8fd1\uff0c\u901a\u8fc7\u79bb\u5b50\u4ea4\u6362\u65b9\u6cd5\u6210\u529f\u5730\u4eceDJ\u76f8\u4f53\u5757\u6750\u6599\u4e2d\u5265\u79bb\u4e86\u4e00\u4e2a\u6c27\u5316\u7269\u9499\u949b\u77ff\u5355\u5c42\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c3D\u6c27\u5316\u7269\u9499\u949b\u77ff\u8986\u76d6\u4e86\u7edd\u7f18\u4f53\u5230\u534a\u5bfc\u4f53\u4ee5\u53ca\u91d1\u5c5e\u548c\u8d85\u5bfc\u4f53\u3002\u7136\u800c\uff0c\u5bf9\u8fd9\u4e9b\u6c27\u5316\u7269\u4e2d\u5947\u5f02\u76842D\u76f8\u5173\u7535\u5b50\u76f8\u7684\u7814\u7a76\u4ecd\u5904\u4e8e\u8d77\u6b65\u9636\u6bb5\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

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\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

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\u56fe<\/strong>2 \u9499\u949b\u77ff\u7c7b\u578b\u548c\u9499\u949b\u77ff\u5355\u5c42\u5408\u6210\u65b9\u6cd5<\/strong>\"\"<\/p>\n

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b\uff09\u91c7\u7528\u6db2\u76f8\u751f\u957f\uff08\u9876\u90e8\uff09\u6216\u5916\u5ef6\u751f\u957f\uff08\u5e95\u90e8\uff09\u81ea\u4e0b\u800c\u4e0a\u5408\u6210\u9499\u949b\u77ff\u5355\u5c42\u3002<\/p>\n

\u56fe<\/strong>3 \u5364\u5316\u9499\u949b\u77ff\u7684\u5149\u5b66\u548c\u7535\u5b50\u6027\u8d28\u4e0e\u539a\u5ea6\u6709\u5173<\/strong>\"\"<\/p>\n

a\uff09\u4ece\u5438\u6536\uff08\u7a7a\u5fc3\u7b26\u53f7\uff09\u548c\u5149\u81f4\u53d1\u5149\u5b9e\u9a8c\uff08\u5b9e\u5fc3\u7b26\u53f7\uff09\u4e2d\u63d0\u53d6\u7684\u5149\u5b66\u5e26\u9699\u4f5c\u4e3an\u7684\u51fd\u6570\uff0c\u5728 (BA)2<\/sub>(MA)n-1<\/sub>Pbn<\/sub>I3n+1<\/sub>\u8584\u819c\u548c\u5265\u843d\u8584\u7247\u4e2d\u3002<\/p>\n

b\uff09(BA)2<\/sub>(MA)n-1<\/sub>Pbn<\/sub>I3n+1<\/sub>\u4e2d\u6fc0\u5b50\u7ed3\u5408\u80fd\u548c\u9ad8\u9891\u4ecb\u7535\u5e38\u6570\u968fn\u7684\u53d8\u5316\u89c4\u5f8b\u3002<\/p>\n

c\uff09n > 2\u7684\u5265\u79bb\u9499\u949b\u77ff\u4e2d\u57fa\u4e8e\u6fc0\u5b50\u53d1\u5c04\uff08X\uff09\u548c\u5c42\u8fb9\u6001\u7684\u5149\u7535\u53d1\u5c04\u673a\u5236\u793a\u610f\u56fe\u3002\u5206\u522b\u57282.010 eV\u548c1.680 eV\u65f6\u63a2\u6d4b\u4e86\u4e3b\u6fc0\u5b50\u548c\u5c42\u8fb9\u6001\uff08LES\uff09\u53d1\u5c04\u3002<\/p>\n

d\uff09\u5728\u5265\u79bb\u6676\u4f53\u3001\u5265\u79bb\u6676\u4f53\u8fb9\u7f18\u548c\u76f8\u5e94\u7684 (BA)2<\/sub>(MA)2<\/sub>Pb3<\/sub>I10<\/sub>\u8584\u819c\u4e0a\u7684\u5149\u81f4\u53d1\u5149\u5149\u8c31\u7684\u6bd4\u8f83\u3002\u4ece\u8584\u7247\u8fb9\u7f18\u83b7\u5f97\u7684\u5149\u8c31\u663e\u793a\u51fa\u8584\u819c\u548c\u5265\u79bb\u6676\u4f53\u7684\u5149\u81f4\u53d1\u5149\u7279\u5f81\uff0c\u8868\u660e\u5265\u79bb\u6676\u4f53\u4e2d\u5c42\u8fb9\u6001\u7684\u5149\u81f4\u53d1\u5149\u548cn > 2\u7684\u591a\u6676\u8584\u819c\u7684\u5149\u81f4\u53d1\u5149\u7684\u5171\u540c\u8d77\u6e90\u3002<\/p>\n

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\u56fe<\/strong>4 \u6c27\u5316\u7269\u9499\u949b\u77ff\u7684\u754c\u9762\u7279\u6027<\/strong>\"\"<\/p>\n

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